Add regression test for literal search on paths

tests/rustdoc-js/literal-path.js

@@ -0,0 +1,23 @@
+// exact-check
+
+// This test ensures that literal search is always applied on elements of the path.
+
+const EXPECTED = [
+    {
+        'query': '"some::path"',
+        'others': [
+            { 'path': 'literal_path::some', 'name': 'Path' },
+        ],
+    },
+    {
+        'query': '"somea::path"',
+        'others': [
+            { 'path': 'literal_path::somea', 'name': 'Path' },
+        ],
+    },
+    {
+        'query': '"soma::path"',
+        'others': [
+        ],
+    },
+];

tests/rustdoc-js/literal-path.rs

@@ -0,0 +1,7 @@
+pub mod some {
+    pub struct Path;
+}
+
+pub mod somea {
+    pub struct Path;
+}